Driving method for touch display panel

Abstract

A driving method of a touch display panel is provided. The touch display panel includes a plurality of regions each including a regional electrode. The driving method includes: one frame time including a plurality of display time periods, during each display time period, the plurality of regions including a display region performing display, and a region other than the display region being a non-display region, the display region including at least one region; during each display time period, applying a display signal to the regional electrode of the display region; during at least one display time period, the non-display region including at least one region, applying a touch signal to the regional electrode of the at least one region, and/or, inserting a touch time period between at least two display time periods and applying a touch signal to the regional electrode of the at least one region.

1 . A driving method of a touch display panel, the touch display panel comprising a plurality of regions, each of the plurality of regions comprising a regional electrode,
 the driving method comprising:   one frame time comprising a plurality of display time periods, during each of the plurality of display time periods, the plurality of regions comprising a display region performing display during the display time period, and a region other than the display region performing display during the display time period being a non-display region not performing display, the display region during the display time period comprising at least one region of the plurality of regions; and   during each of the plurality of display time periods, applying a display signal to the regional electrode of the display region during the display time period, wherein   the method satisfies at least one of:   during at least one display time period, the non-display region comprising at least one region, applying a touch signal to the regional electrode of the at least one region comprised in the non-display region during the display time period; and   inserting a touch time period between at least two display time periods, and applying a touch signal to the regional electrode of the at least one region.   
     
     
         2 . The driving method of the touch display panel according to  claim 1 , wherein the display region varies depending on the display time period. 
     
     
         3 . The driving method of the touch display panel according to  claim 1 , wherein during at least one display time period, the touch signal is applied to the regional electrode of every non-display region during the display time period. 
     
     
         4 . The driving method of the touch display panel according to  claim 1 , wherein the touch signal is applied to the regional electrode of every non-display region during each of the plurality of display time periods. 
     
     
         5 . The driving method of the touch display panel according to  claim 1 , wherein the touch signal is applied to the regional electrode of every region during the touch time period. 
     
     
         6 . The driving method of the touch display panel according to  claim 1 , wherein the touch time period is inserted between every two adjacent display time periods. 
     
     
         7 . The driving method of the touch display panel according to  claim 6 , wherein the touch signal is applied to the regional electrode of every region between every two adjacent display time periods. 
     
     
         8 . The driving method of the touch display panel according to  claim 1 , wherein the one frame time comprises a first display time period and a last display time period, the touch time period is inserted before the first display time period or after the last display time period. 
     
     
         9 . The driving method of the touch display panel according to  claim 1 , wherein the regional electrode comprises a plurality of first electrodes insulated from each other, and
 the touch display panel is an organic light-emitting diode (OLED) display panel, a cathode of the OLED is used as the first electrode at the same time.   
     
     
         10 . The driving method of the touch display panel according to  claim 9 , further comprising inputting different display signals to the regional electrodes of different regions during one frame time. 
     
     
         11 . The driving method of the touch display panel according to  claim 9 , wherein each of the plurality of first electrodes of every regional electrode is connected to a first driving circuit through a first wire; and
 an absolute value of the display signal applied to every first electrode of each of the regional electrodes is increased as a length of the first wire connected thereto is increased.   
     
     
         12 . The driving method of the touch display panel according to  claim 10 , wherein every regional electrode is connected to a second driving circuit through a second wire, and
 an absolute value of the display signal applied to the regional electrode is increased as a length of the second wire is increased.   
     
     
         13 . The driving method of the touch display panel according to  claim 1 , wherein the plurality of regions are arranged in a first direction. 
     
     
         14 . The driving method of the touch display panel according to  claim 1 , wherein the display signal is a negative level signal and the touch signal is a positive level signal. 
     
     
         15 . The driving method of the touch display panel according to  claim 2 , wherein during at least one display time period, the touch signal is applied to the regional electrode of every non-display region during the display time period. 
     
     
         16 . The driving method of the touch display panel according to  claim 2 , wherein the touch signal is applied to the regional electrode of every non-display region during each of the plurality of display time periods. 
     
     
         17 . The driving method of the touch display panel according to  claim 3 , wherein the touch signal is applied to the regional electrode of every non-display region during each of the plurality of display time periods. 
     
     
         18 . The driving method of the touch display panel according to  claim 15 , wherein the touch signal is applied to the regional electrode of every non-display region during each of the plurality of display time periods.